| 3/6/2018 | 690320900000 | REFRACTORY MATERIAL (LADLE SHROUD) AL2O3: 72.2-79.3 / 76.2-85.5)
| 80 | Units | 16649.04 | N/A | ÇOLAKOGLU METALURJI ANONIM SIRKETI |
| 3/14/2018 | 281810110000 | ARTIFICIAL KORENDON (WHITE FUSED ALUMINA / BROWN FUSED ALUMINA / SILICON CARBIDE) USED AS A RAW MATERIAL IN THE CERAMIC AND REFRACTORY INDUSTRY
| 26750 | Kilogram | 38709.09 | N/A | ESAN ECZACIBASI ENDÜSTRIYEL HAMMADDE.SAN.VE TIC.A.S. |
| 3/28/2018 | 690390909019 | REFRACTORY MATERIAL
| 5955 | Units | 66263.6 | N/A | HABAS SINAI VE TIBBIGAZLAR ISTIHSALEND. A.S. |
| 3/11/2018 | 690320900000 | REFRACTORY MATERIAL
| 80 | Units | 14221.67 | N/A | MAGNESIT ANONIM SIRKETI |
| 3/1/2018 | 690390909012 | CERAMIC TUBE FROM FIRE-RESISTANT REFRACTORY MATERIAL USED IN FOUNDRY
| 48 | Units | 2938.3 | N/A | VESUVIUS ISTANBUL REFRAKTER SANAYI VE TIC.A.S. |
| 3/4/2018 | 260600000000 | ENRICHED ALUMINUM ORE (ROTARY KILN TO BE USED IN THE MANUFACTURING OF BAUXITE-REFRACTORY MATERIAL-
| 300000 | Kilogram | 139075.28 | N/A | SÖRMAS SÖGÜT REFRAKTER MALZ.A.S. |
| 3/25/2018 | 690320900000 | REFRACTORY MATERIAL - CERAMIC ROLL
| 4100 | Units | 80255.49 | N/A | EGE SERAMIK SAN.VE.TIC.A.S. |
| 3/25/2018 | 260600000000 | ENRICHED ALUMINUM ORE (ROTARY KILN TO BE USED IN THE MANUFACTURING OF BAUXITE-REFRACTORY MATERIAL-
| 600000 | Kilogram | 273322.69 | N/A | SÖRMAS SÖGÜT REFRAKTER MALZ.A.S. |
| 3/5/2018 | 281810110000 | ARTICULATED CORENDON (WHITE FUSED ALUMINA F100 / F220) USED AS A RAW MATERIAL IN THE CERAMIC AND REFRACTORY INDUSTRY
| 25000 | Kilogram | 23719.88 | N/A | ESAN ECZACIBASI ENDÜSTRIYEL HAMMADDE.SAN.VE TIC.A.S. |
| 3/29/2024 | 381600900012 | REFRACTORY MATERIAL (EA-F RAMMING MASS) | 100000 | KILOGRAM | 65500 | N/A | HABAŞ SINAİ VE TIBBİ GAZLAR İSTİHSAL ENDÜSTRİSİ ANONİM ŞİRKETİ |